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首页> 外文期刊>Advances in space research >Mechanical behavior of the metal parts welded with extraterrestrial regolith simulant by the solar concentrator in ISRU & ISRF application
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Mechanical behavior of the metal parts welded with extraterrestrial regolith simulant by the solar concentrator in ISRU & ISRF application

机译：ISRU＆ISRF应用中太阳能浓缩器用外星重新旋转模拟物焊接金属部件的机械特性

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摘要

The use of in-situ resources plays an important role on future extraterrestrial human activities for the facility repair and habitat construction, especially in sustainable space exploration of Moon and Mars. A method of the metal welded with extraterrestrial regolith simulant using solar processing under ambient conditions is presented. Metal parts are made of Q235B ferroalloy and TA2 titanium alloy into standard tensile members according to the ASTM code. They are disconnected from the middle in advance, and then welded together with lunar and Martian regolith simulant under ambient conditions, respectively. The entire welding process and precautions are detailed. Additionally, the mechanical behavior of weldments is characterized regarding their tensile strength. Furthermore, the fusion zone of weldments is studied by Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD) measurements. The results show that it is possible to weld metal parts together with extraterrestrial regolith simulant by the solar concentrator. The average ultimate tensile strength of ferroalloy specimens welded with lunar and Martian regolith simulant is 2.94 MPa and 1.66 MPa; The average ultimate tensile strength of titanium alloy specimens welded with lunar and Martian regolith simulant is 4.95 MPa and 2.59 MPa. Moreover, the failure mode of all weldments was brittle failure. The welding joints strength derives from the phases that the regolith as the solder fusing into ferroalloys in a homogeneous way and titanium alloys in an inhomogeneous way. The presented method may provide a new thought for astronaut assistance associating with repairing and fabricating in subsequent Moon and Mars missions.
机译：原位资源的使用在未来的外星人类活动中对工厂修复和栖息地建设起到重要作用，特别是在月球和火星的可持续空间探索中。介绍了在环境条件下使用太阳能加工的具有外星石油公司模拟剂的金属焊接的方法。金属零件由Q235B铁合金和TA2钛合金制成，根据ASTM代码进入标准拉伸构件。它们是预先从中间断开的，然后分别在环境条件下与月球和火星巨石标岩体模拟物焊接在一起。详细焊接过程和预防措施。另外，焊接的机械特征在于它们的拉伸强度。此外，通过扫描电子显微镜（SEM），能量分散X射线光谱（EDS）和X射线衍射（XRD）测量来研究焊接熔融区。结果表明，可以通过太阳能聚光器将金属部件与外星重新旋转模拟器焊接在一起。焊接着月球和火星标度模拟器的铁合金标本的平均终极抗拉强度为2.94MPa和1.66 MPa;用月球和火星巨石模拟焊接焊接钛合金标本的平均终极抗拉强度为4.95MPa和2.59 MPa。此外，所有焊件的故障模式都是脆性衰竭。焊接接头强度源于该阶段的阶段，即以均匀的方式以均匀的方式融合到铁合金中的焊料和钛合金。本方法可以为宇航员援助提供新的思路，这些思想与在随后的月亮和火星任务中的修复和制造之间相关联。

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  • 来源
    《Advances in space research》 |2020年第10期|2303-2314|共12页
  • 作者

    Wei Zheng; Guofu Qiao;

  • 作者单位

    School of Civil Engineering Harbin Institute of Technology Harbin 150090 China;

    School of Civil Engineering Harbin Institute of Technology Harbin 150090 China Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology Harbin Institute of Technology Harbin 150090 China Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education Harbin Institute of Technology Harbin 150090 China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ISRU; ISRF; Extraterrestrial regolith; Welding process; Solar energy;

    机译：isru;ISRF;外星术;焊接过程;太阳能;

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